Minecraft Java 1.21 Mods
Browse 12,409 free mods for Minecraft Java 1.21 — popular picks include Items, Crafts & World of the Realms of Runeterra, Prehistoric Change, Pacify Mobs.
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Items, Crafts & World of the Realms of Runeterra
This project introduces all the items, blocks, abilities and other gameplay mechanics not related to the world generation provided by the Core Package of Realms of Runeterra: A Tale of Relative Dimensions
Prehistoric Change
Adds a variety of creatures plants and objects related to the Paleozoic era, and there are plans to add content from other eras in the future.
Pacify Mobs
A datapack that works just like Silence Mobs but to remove their AI
Mob Race
Be the first to kill either all unique mobs or simply the majority. Play in either teams or in one big free for all.
ArmorMob
Put armor on the monsters
NotRegionKills
Placeholder Expansion for Tracking Kills per WorldGuard Region | Works with MythicMobs
BedWars Pack 16x
A clean 16x BedWars PvP texture pack with custom particles, wool, sounds, items and a competitive look.
[Y] Apocalypse Zombies
This project adds brand new Zombies straight out of the Apocalypse! Part of the [Y] Apocalypse Modpack. Currently still in development.
Mob scale randomizer
Randomizes mob scale
Freeze Mobs
Freeze mobs by naming them "freeze me" with a name tag.
Herobrine Mobs
Gives every mob (and Steve) Herobrine's eyes!
Ruby's mod relics
The Ruby Relic Mod: Fast, strategic gear. Pickaxe: Directional 3x3/vertical mining. Axe instantly fells trees. Armor grants Speed/high enchantability. Use the Armor Relay for instant full-set swapping via GUI. Requires NeoForge.
Warriors
You can get new friends that fight for you
Snowball on a Stick
Adds an item that increases the movement speed of Happy Ghasts.
Better Trap Horse│更好的陷阱馬
Zombie Trap Horses can also spawn in Lightning, and Trap Horses can be triggered by any mob.│殭屍陷阱馬也可以在閃電中生成,陷阱馬可以被任何生物觸發。
Rage twist
A simple datapack that adds a ragebar that can be increased by attacking mobs and that makes your attack damage increase.
Rotting Away
Undeads are infectious. Play this new twist on infection mods.
Something Watches 2.0
A slow-burn horror mod that transforms your world into a paranoia-inducing nightmare. Featuring custom entities, random horror events, creepy signs, screen glitches, a horror dimension, and admin troll commands. Something is always watching.
SpaceFrog's Pet Tadpoles
Fulfill your dream of having a pet tadpole! You can even attach leads and keep them as young tadpoles forever! Take them on a walk and bond, but make sure to follow local leash laws :]
JustPlugin - All in One Management Plugin
Lightweight all-in-one essentials plugin for Paper, Purpur, and Folia 1.21.11+. Economy, teleportation, moderation, jail, kits, vaults, ranks, database storage, and 159+ more commands — all in a single configurable JAR.
Buff Banners
Hostile mobs can spawn with Buff Banners that grant combat buffs.
SoulsMarket
SoulsMarket is a unique economy plugin where players collect "Souls" based on kills (mobs or players) and trade them in a "Black Market" for powerful items, or use them to place bounties on rivals.

Sender's Return Policy
A mod that allows you to specify which items/projectiles can reflect redirect-able projectiles such as Ghast fireballs and Breeze wind charges.
MobHat
Ever felt like your head was missing something? MobHat is a fun and lightweight plugin that lets you wear almost any creature in Minecraft as a hat!
Better Damage to Golems
This is my first mod! This mod is a way to get more accurate damage to golems into Minecraft via increasing the damage dealt to golems using a pickaxe whilst taking efficiency into account. This mod was inspired by the game Muck By Dani.
When Does A Cabbage Become A Meteor
A mod that adds cabbage meteors based off of EPIC
I want a horse
Get a tamed horse with saddle and lead on your first login. Supports Horseman mod for the copper horn. Fully configurable
More Realism (MR)
This project helps you experience your world more realistically.
Dr.Stone : Legacy Of Petrification
A French-made Minecraft mod inspired by Dr. Stone, featuring pottery, depetrification, and more.
Ride Casually
This mod allows player to ride all creature and block.
Someone In The World
Friend?
MobCash [1.21.x - 26.x]
Mobs now drop banknotes as loot drops also!
Monster Money
Earn money when you kill a monster!
TOMC - CreeFern
Why would a creature self-destruct as a means of attack? To reproduce!
Spider Moon 2
Adds a Spider Moon to Enhanced Celestials 2
Planet of Mobs
You've never seen so many mob variations!